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// SPDX-License-Identifier: GPL-2.0+
/*******************************************************************************
* QtMips - MIPS 32-bit Architecture Subset Simulator
*
* Implemented to support following courses:
*
* B35APO - Computer Architectures
* https://cw.fel.cvut.cz/wiki/courses/b35apo
*
* B4M35PAP - Advanced Computer Architectures
* https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start
*
* Copyright (c) 2017-2019 Karel Koci<cynerd@email.cz>
* Copyright (c) 2019 Pavel Pisa <pisa@cmp.felk.cvut.cz>
*
* Faculty of Electrical Engineering (http://www.fel.cvut.cz)
* Czech Technical University (http://www.cvut.cz/)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
******************************************************************************/
#ifndef COREVIEW_PROGRAMCOUNTER_H
#define COREVIEW_PROGRAMCOUNTER_H
#include <QGraphicsObject>
#include <QPainter>
#include "qtmipsmachine.h"
#include "connection.h"
namespace coreview {
class ProgramCounter : public QGraphicsObject {
Q_OBJECT
public:
ProgramCounter(machine::QtMipsMachine *machine);
QRectF boundingRect() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
void setPos(qreal x, qreal y);
const Connector *connector_in() const;
const Connector *connector_out() const;
signals:
void open_program();
void jump_to_pc(std::uint32_t addr);
protected:
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
private slots:
void pc_update(std::uint32_t val);
private:
const machine::Registers *registers;
QGraphicsSimpleTextItem name;
QGraphicsSimpleTextItem value;
Connector *con_in, *con_out;
};
}
#endif // COREVIEW_PROGRAMCOUNTER_H
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